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Connection
diagram
CONTROL.
INPUT BS
63
1 2 3 4 5 6 7 8 9
25 26 27
11
U3
SPAJ 160 C
Fig. 8. Complete connection diagram for the capacitor bank protection relay SPAJ 160 C with all
the relay matrix and blocking/control input programming switches shown.
U
aux
A, B, C, D, E, F
IRF
SGB1
TRIP
SIGNAL 1
SIGNAL 2
START
RECONN. INHIBIT Connection inhibited in fault conditions
U1
U2
U3
Rx Tx
T1...T9
SPA-ZC-
L1
L2
L3
+ (~)
Uaux
- (~)
RECONNECTION
IRF
INHIBIT
+
10
61
62
70 71 72
74 75
≅
+
+
_
F
E
+
-
U2 SPTU_R2
TS1
1
1
IRF
3I
>
a
3I
>
b
SGB/1
∆I1
∆I2
SGB/2
3I<
SGB/3
SGB/4
RECONN. INHIBIT
SGB/5
EXTERNAL TRIP
SGB/6
RELAY RESET
I/O
Auxiliary voltage
Output relays
Self-supervision
Switchgroup for the configuration of the blocking and control signals
Trip output relay, output 65-66
Signal on tripping
Signal on tripping
Signal on starting
Capacitor bank protection relay module SPCJ 4D40
Power supply and output relay module SPTU 240 R2 or SPTU 48 R2
with a normally open trip contact
Input module SPTE 4E3
Serial communication interface
Operation indications
Bus connection module
I
0
SIGNAL 1
START
SIGNAL 2
77 78
80 81
68 69
+
+
+
B
D
C
SS1
SS2
SS3
1
1
1
T8
-
0
-
I
+
Rx
Tx
+
TRIP
SERIAL
PORT
65 66
+
A
TS2
TRIP
R
1
SGB/7
SGB/8
T1
T2
T3
T4
T5
T6
T7
T9
U1
SPCJ 4D40
7
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